This research deals with the perception of outdoor ornamental plants. It examines whether methods used for perception research in the social sciences may also be applied to such specific material as outdoor ornamental plants. In an experiment involving 56 participants we tested the use of an adjective checklist, which consisted of 78 adjectives describing the features of 15 outdoor ornamental plants. The participants chose the adjectives suitable for describing individual plants with varying frequency; in subsequent research only those properties were considered which were chosen in more than 10% of the cases. An examination of the frequency of chosen features showed that people are favorably disposed towards plants; properties with negative meanings were rarely marked. By using statistical methods of classification into groups we determined which features of outdoor ornamental plants aggregate into larger, semantically similar groups.
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